Police said, At least 15 people were killed and 29 others wounded Tuesday in violent attacks in the Iraqi capital of Baghdad and the eastern province of Diyala. In Baghdad, four people were killed and 10 others wounded in a car bomb explosion at a busy intersection in the Shiite neighbourhood of Sadr city in the eastern part of the capital. In a separate incident, two policemen and a member of a government-backed Sahwa paramilitary group were killed and five policemen were wounded when a bomb planted at their joint checkpoint detonated in al-Wahda district in the southern Baghdad.